On 2018-05-05 04:20 PM, Eduard Bloch wrote: > Package: xserver-xorg-video-amdgpu > Version: 18.0.1-1 > Severity: normal > > Hello, > > my card (cheaper version of Rx560) has been working quite well for months. > But I made a dist-upgrade a few weeks ago and since then I see strange > flickering happening every few minutes, sometimes even multiple times > per minute. Feels like a quick insertion of a black frame. Maybe a > silent GPU reset or something? > > It seems to happen more often when mouse is moving and/or Firefox is > active. First I suspected the application where I saw it most in the > first days (another web browser) but now I see this happen from time to > time with other applications, like the gvim window I see in front of me > right now. > > First I attribute this to the amdgpu.dc=1 kernel option which I have set > for testing purposes before, but removing it did not change the > behavior.
That's because DC is enabled by default for you, you need amdgpu.dc=0 to disable it. This is a DC issue which is fixed in current 4.16.y upstream. -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer